2. Prepare Working Solution of Methylene Blue: Prepare 40 mL of 5.0 pg/mL Methylene Blue Working Solution Very accuratel
Posted: Mon May 23, 2022 8:54 am
2. Prepare Working Solution of Methylene Blue: Prepare 40 mL of 5.0 pg/mL Methylene Blue Working Solution Very accurately measure with graduated cylinder 40.0 mL of DI water into a 50 ml. conical tube. • Very accurately micropipette L of 1% stock methylene blue Into the DI water in your tube. Secure the cap on the tube and invert repeatedly to thoroughly mix the solution. . 7